Article(id=1322630826899133173, tenantId=1146029695717560320, journalId=1220038315760373764, issueId=1322630794611380728, articleNumber=null, orderNo=null, doi=10.12102/j.issn.1009-6493.2026.18.007, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1766332800000, receivedDateStr=2025-12-22, revisedDate=1786291200000, revisedDateStr=2026-08-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1793269362424, onlineDateStr=2026-10-29, pubDate=1790265600000, pubDateStr=2026-09-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793269362424, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793269362424, creator=13701087609, updateTime=1793269362424, updator=13701087609, issue=Issue{id=1322630794611380728, tenantId=1146029695717560320, journalId=1220038315760373764, year='2026', volume='40', issue='18', pageStart='3153', pageEnd='3344', issueExtLink='null', onlineDate='null', pubDate='1790265600000', pubDateStr='2026-09-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1793269354727, creator='13701087609', updateTime=1793343080645, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322940023645011984, tenantId=1146029695717560320, journalId=1220038315760373764, issueId=1322630794611380728, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322940023645011985, tenantId=1146029695717560320, journalId=1220038315760373764, issueId=1322630794611380728, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=3199, endPage=3205, ext={EN=ArticleExt(id=1322630827113042678, articleId=1322630826899133173, tenantId=1146029695717560320, journalId=1220038315760373764, language=EN, title=Dynamic symptom network structure and core symptom identification in patients with end⁃stage kidney disease before and after dialysis, columnId=1220689484526572183, journalTitle=Chinese Nursing Research, columnName=Original Articles, runingTitle=null, highlight=null, articleAbstract=
Objective

To construct symptom networks in patients with end⁃stage kidney disease before and after dialysis and to explore the dynamic interactions among different symptoms over time.

Methods

A total of 299 patients undergoing initial hemodialysis treatment at a tertiary grade A hospital in Sichuan province were selected as the study subjects from November 2024 to September 2025.Patients were surveyed using a self⁃designed general demographic questionnaire and an adapted version of the Dialysis Symptom Assessment Scale.A cross⁃lagged network model was employed to identify dynamic interactions among 18 symptoms over time.

Results

The forward time⁃lagged correlation was sleep difficulty→itching(β=0.33).The backward time⁃lagged correlation was fatigue or lack of energy→sleep difficulty(β=-0.22).Sleep difficulty reported the greatest out⁃predictability(0.265),in⁃predictability(0.233),out⁃strength(1.498),and in⁃strength(1.591).

Conclusions

Sleep difficulty was identified as the core symptom of the dynamic network model of symptom before and after dialysis in patients with end⁃stage renal disease.Strategies to alleviate sleep difficulty should be incorporated into multimodal interventions for end⁃stage kidney disease.

, authors=Cailian WANG1, Shoulin ZHU1, Lejiao HUANG1, Hanyue ZENG2, Yinsen PENG3, Yun LI4, Shifang MAO4, authorsList=Cailian WANG, Shoulin ZHU, Lejiao HUANG, Hanyue ZENG, Yinsen PENG, Yun LI, Shifang MAO, authorCompany=null, correspAuthors=Shifang MAO, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322630829428298493, articleId=1322630826899133173, tenantId=1146029695717560320, journalId=1220038315760373764, language=CN, title=终末期肾病病人透析前后症状动态网络结构及核心症状识别, columnId=1220689484681761433, journalTitle=护理研究, columnName=科研论著, runingTitle=null, highlight=null, articleAbstract=
目的

构建终末期肾病病人透析前后的症状网络,探讨不同症状随时间的动态交互作用。

方法

于2024年11月—2025年9月选取四川省某三级甲等医院299例初次行血液透析治疗的病人为研究对象,通过自制的一般资料调查表和改编版透析症状评估量表对病人进行调查。采用交叉滞后网络模型识别18个症状随时间的动态交互作用。

结果

最强的正向时间滞后关联为入睡困难→瘙痒(β=0.33),最强的负向时间滞后关联为疲乏→入睡困难(β=-0.22)。入睡困难的出可预测性(0.265)、入可预测性(0.233)、出度中心性(1.498)、入度中心性(1.591)均最大。

结论

入睡困难为终末期肾病病人透析前后症状动态网络模型的核心症状,应将缓解入睡困难的策略纳入终末期肾病的多模式干预中。

, authors=王彩莲1, 朱守淋1, 黄乐娇1, 曾晗月2, 彭寅森3, 李韵4, 毛世芳4, *, *, authorsList=王彩莲, 朱守淋, 黄乐娇, 曾晗月, 彭寅森, 李韵, 毛世芳, authorCompany=null, correspAuthors=毛世芳, authorNote=

王彩莲,硕士研究生在读

, correspAuthorsNote=
毛世芳,E⁃mail:
MAO Shifang, E⁃mail:
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figs=[ArticleFig(id=1322630834163667767, tenantId=1146029695717560320, journalId=1220038315760373764, articleId=1322630826899133173, language=EN, label=Figure 1, caption=Dynamic symptom network diagram, figureFileSmall=n3otI/bvJsXyhMHIJgPkrg==, figureFileBig=HnAOf4Yyuy9JJLYC3H5xPQ==, tableContent=null), ArticleFig(id=1322630834234970936, tenantId=1146029695717560320, journalId=1220038315760373764, articleId=1322630826899133173, language=CN, label=图1, caption=动态症状网络图, figureFileSmall=n3otI/bvJsXyhMHIJgPkrg==, figureFileBig=HnAOf4Yyuy9JJLYC3H5xPQ==, tableContent=null), ArticleFig(id=1322630834432103225, tenantId=1146029695717560320, journalId=1220038315760373764, articleId=1322630826899133173, language=EN, label=Figure 2, caption=Stability test of centrality, figureFileSmall=NhlHQSphqCaItEgFzPxcQg==, figureFileBig=fUm1EvuPCfOfStppQleOYw==, tableContent=null), ArticleFig(id=1322630834499212090, tenantId=1146029695717560320, journalId=1220038315760373764, articleId=1322630826899133173, language=CN, label=图2, caption=中心性的稳定性检验, figureFileSmall=NhlHQSphqCaItEgFzPxcQg==, figureFileBig=fUm1EvuPCfOfStppQleOYw==, tableContent=null), ArticleFig(id=1322630834595681083, tenantId=1146029695717560320, journalId=1220038315760373764, articleId=1322630826899133173, language=EN, label=Figure 3, caption=Edge weight accuracy test, figureFileSmall=N2ZGdfmCKbAQ2QTQj3LCrA==, figureFileBig=rzX5Rl4Xn4rFoRHV1AAZ6w==, tableContent=null), ArticleFig(id=1322630834662789948, tenantId=1146029695717560320, journalId=1220038315760373764, articleId=1322630826899133173, language=CN, label=图3, caption=边缘权重精确性检验, figureFileSmall=N2ZGdfmCKbAQ2QTQj3LCrA==, figureFileBig=rzX5Rl4Xn4rFoRHV1AAZ6w==, tableContent=null), ArticleFig(id=1322630834746676029, tenantId=1146029695717560320, journalId=1220038315760373764, articleId=1322630826899133173, language=EN, label=Table 1, caption=

Symptom occurrence(n=299)

, figureFileSmall=null, figureFileBig=null, tableContent=
症状初次透析前透析1个月后
便秘173(58)173(58)
恶心209(70)242(81)
食欲下降281(94)287(96)
肌肉痉挛126(42)144(48)
下肢肿胀263(88)266(89)
头晕188(63)164(55)
疲乏287(96)287(96)
口干293(98)129(43)
头痛102(34)251(84)
难以集中注意力206(69)215(72)
皮肤干燥281(94)290(97)
瘙痒254(85)269(90)
入睡困难260(87)263(88)
易醒296(99)242(81)
忧虑188(63)179(60)
紧张242(81)242(81)
伤心230(77)233(78)
焦虑275(92)281(94)
), ArticleFig(id=1322630834826367806, tenantId=1146029695717560320, journalId=1220038315760373764, articleId=1322630826899133173, language=CN, label=表1, caption=

症状发生情况(n=299)

, figureFileSmall=null, figureFileBig=null, tableContent=
症状初次透析前透析1个月后
便秘173(58)173(58)
恶心209(70)242(81)
食欲下降281(94)287(96)
肌肉痉挛126(42)144(48)
下肢肿胀263(88)266(89)
头晕188(63)164(55)
疲乏287(96)287(96)
口干293(98)129(43)
头痛102(34)251(84)
难以集中注意力206(69)215(72)
皮肤干燥281(94)290(97)
瘙痒254(85)269(90)
入睡困难260(87)263(88)
易醒296(99)242(81)
忧虑188(63)179(60)
紧张242(81)242(81)
伤心230(77)233(78)
焦虑275(92)281(94)
), ArticleFig(id=1322630834906059583, tenantId=1146029695717560320, journalId=1220038315760373764, articleId=1322630826899133173, language=EN, label=Table 2, caption=

Edge weights among 18 symptoms

, figureFileSmall=null, figureFileBig=null, tableContent=
初次透析前症状透析1个月后症状
便秘恶心食欲下降肌肉痉挛下肢肿胀头晕疲乏口干头痛难以集中注意力皮肤干燥瘙痒入睡困难易醒忧虑紧张伤心焦虑
便秘0.050.06-0.040.06-0.130.070.010.050.02-0.050.08
恶心-0.130.170.03-0.190.160.03-0.140.110.03-0.150.140.17
食欲下降-0.050.070.08-0.070.010.08-0.01-0.030.060.110.06
肌肉痉挛0.02-0.06-0.040.21-0.020.020.040.050.160.290.070.050.09
下肢肿胀-0.090.020.020.020.010.150.05
头晕0.11-0.080.020.310.19-0.07-0.01-0.110.03
疲乏-0.040.030.18-0.040.13-0.220.190.07-0.020.02
口干0.06-0.070.130.310.110.210.050.08-0.06-0.14-0.090.03
头痛-0.05-0.090.08-0.110.220.080.020.20-0.03-0.080.16
难以集中注意力0.010.010.050.050.07-0.030.18-0.040.030.040.15
皮肤干燥0.08-0.030.01-0.17-0.060.140.010.040.050.140.11-0.08-0.010.07
瘙痒-0.040.12-0.01-0.170.210.08
入睡困难-0.14-0.11-0.01-0.09-0.120.05-0.180.330.220.04-0.11-0.03-0.07
易醒-0.010.050.02-0.03-0.01-0.01-0.01
忧虑-0.090.120.030.050.120.160.08-0.050.07-0.100.26
紧张0.020.080.010.02-0.010.010.01-0.040.030.110.070.03
伤心-0.100.150.08-0.030.01-0.010.050.03-0.07
焦虑-0.090.060.03-0.080.190.03-0.01-0.01-0.09-0.080.09
), ArticleFig(id=1322630834989945664, tenantId=1146029695717560320, journalId=1220038315760373764, articleId=1322630826899133173, language=CN, label=表2, caption=

18个症状间的边缘权重

, figureFileSmall=null, figureFileBig=null, tableContent=
初次透析前症状透析1个月后症状
便秘恶心食欲下降肌肉痉挛下肢肿胀头晕疲乏口干头痛难以集中注意力皮肤干燥瘙痒入睡困难易醒忧虑紧张伤心焦虑
便秘0.050.06-0.040.06-0.130.070.010.050.02-0.050.08
恶心-0.130.170.03-0.190.160.03-0.140.110.03-0.150.140.17
食欲下降-0.050.070.08-0.070.010.08-0.01-0.030.060.110.06
肌肉痉挛0.02-0.06-0.040.21-0.020.020.040.050.160.290.070.050.09
下肢肿胀-0.090.020.020.020.010.150.05
头晕0.11-0.080.020.310.19-0.07-0.01-0.110.03
疲乏-0.040.030.18-0.040.13-0.220.190.07-0.020.02
口干0.06-0.070.130.310.110.210.050.08-0.06-0.14-0.090.03
头痛-0.05-0.090.08-0.110.220.080.020.20-0.03-0.080.16
难以集中注意力0.010.010.050.050.07-0.030.18-0.040.030.040.15
皮肤干燥0.08-0.030.01-0.17-0.060.140.010.040.050.140.11-0.08-0.010.07
瘙痒-0.040.12-0.01-0.170.210.08
入睡困难-0.14-0.11-0.01-0.09-0.120.05-0.180.330.220.04-0.11-0.03-0.07
易醒-0.010.050.02-0.03-0.01-0.01-0.01
忧虑-0.090.120.030.050.120.160.08-0.050.07-0.100.26
紧张0.020.080.010.02-0.010.010.01-0.040.030.110.070.03
伤心-0.100.150.08-0.030.01-0.010.050.03-0.07
焦虑-0.090.060.03-0.080.190.03-0.01-0.01-0.09-0.080.09
), ArticleFig(id=1322630835082220353, tenantId=1146029695717560320, journalId=1220038315760373764, articleId=1322630826899133173, language=EN, label=Table 3, caption=

Centrality,expected influence coefficients,and predictability of 18 symptoms

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症状出度中心性入度中心性出预期影响系数入预期影响系数出可预测性入可预测性
便秘0.6190.9900.177-0.4020.0450.008
恶心1.4430.8080.2180.1380.2110.072
食欲下降0.6500.1110.3220.1110.0490.006
肌肉痉挛1.0940.3510.865-0.0650.1770.034
下肢肿胀0.3580.8060.1730.5550.0350.128
头晕0.9411.3400.3920.8190.1720.228
疲乏0.9320.8730.2900.2960.1430.153
口干1.3161.2240.6150.3050.2130.131
头痛1.1040.8930.4080.3830.1560.077
难以集中注意力0.6710.0930.5180.0930.0710.003
皮肤干燥0.9880.7200.3030.1390.1050.090
瘙痒0.6430.9910.1900.6250.0980.134
入睡困难1.4981.591-0.2030.6980.2650.233
易醒0.1361.1690.0010.7640.0040.144
忧虑1.1210.3930.6540.1000.1560.022
紧张0.4471.0340.345-0.1710.0280.134
伤心0.5191.0220.1070.3650.0470.082
焦虑0.7480.8190.0470.6720.0760.096
), ArticleFig(id=1322630835157717826, tenantId=1146029695717560320, journalId=1220038315760373764, articleId=1322630826899133173, language=CN, label=表3, caption=

18个症状的中心性、预期影响系数、可预测性

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症状出度中心性入度中心性出预期影响系数入预期影响系数出可预测性入可预测性
便秘0.6190.9900.177-0.4020.0450.008
恶心1.4430.8080.2180.1380.2110.072
食欲下降0.6500.1110.3220.1110.0490.006
肌肉痉挛1.0940.3510.865-0.0650.1770.034
下肢肿胀0.3580.8060.1730.5550.0350.128
头晕0.9411.3400.3920.8190.1720.228
疲乏0.9320.8730.2900.2960.1430.153
口干1.3161.2240.6150.3050.2130.131
头痛1.1040.8930.4080.3830.1560.077
难以集中注意力0.6710.0930.5180.0930.0710.003
皮肤干燥0.9880.7200.3030.1390.1050.090
瘙痒0.6430.9910.1900.6250.0980.134
入睡困难1.4981.591-0.2030.6980.2650.233
易醒0.1361.1690.0010.7640.0040.144
忧虑1.1210.3930.6540.1000.1560.022
紧张0.4471.0340.345-0.1710.0280.134
伤心0.5191.0220.1070.3650.0470.082
焦虑0.7480.8190.0470.6720.0760.096
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终末期肾病病人透析前后症状动态网络结构及核心症状识别
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王彩莲 1 , 朱守淋 1 , 黄乐娇 1 , 曾晗月 2 , 彭寅森 3 , 李韵 4 , 毛世芳 4, *, *
护理研究 | 科研论著 2026,40(18): 3199-3205
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护理研究 |科研论著 2026 , 40 (18) : 3199 -3205
终末期肾病病人透析前后症状动态网络结构及核心症状识别
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王彩莲1, 朱守淋1, 黄乐娇1, 曾晗月2, 彭寅森3, 李韵4, 毛世芳4, *, *
作者信息
  • 1西南医科大学护理学院,四川 646000
  • 2四川大学华西第二医院
  • 3四川大学华西医院
  • 4西南医科大学附属医院
通讯作者:
毛世芳,E⁃mail:
MAO Shifang, E⁃mail:
作者简介:

王彩莲,硕士研究生在读

Dynamic symptom network structure and core symptom identification in patients with end⁃stage kidney disease before and after dialysis
Cailian WANG1, Shoulin ZHU1, Lejiao HUANG1, Hanyue ZENG2, Yinsen PENG3, Yun LI4, Shifang MAO4
Affiliations
  • 1School of Nursing, Southwest Medical University, Sichuan 646000 China
  • 2West China Second University Hospital, Sichuan University
  • 3West China Hospital, Sichuan University
  • 4Affiliated Hospital of Southwest Medical University
出版时间: 2026-09-25 doi: 10.12102/j.issn.1009-6493.2026.18.007
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目的

构建终末期肾病病人透析前后的症状网络,探讨不同症状随时间的动态交互作用。

方法

于2024年11月—2025年9月选取四川省某三级甲等医院299例初次行血液透析治疗的病人为研究对象,通过自制的一般资料调查表和改编版透析症状评估量表对病人进行调查。采用交叉滞后网络模型识别18个症状随时间的动态交互作用。

结果

最强的正向时间滞后关联为入睡困难→瘙痒(β=0.33),最强的负向时间滞后关联为疲乏→入睡困难(β=-0.22)。入睡困难的出可预测性(0.265)、入可预测性(0.233)、出度中心性(1.498)、入度中心性(1.591)均最大。

结论

入睡困难为终末期肾病病人透析前后症状动态网络模型的核心症状,应将缓解入睡困难的策略纳入终末期肾病的多模式干预中。

终末期肾病  /  血液透析  /  症状网络  /  核心症状  /  网络分析
Objective

To construct symptom networks in patients with end⁃stage kidney disease before and after dialysis and to explore the dynamic interactions among different symptoms over time.

Methods

A total of 299 patients undergoing initial hemodialysis treatment at a tertiary grade A hospital in Sichuan province were selected as the study subjects from November 2024 to September 2025.Patients were surveyed using a self⁃designed general demographic questionnaire and an adapted version of the Dialysis Symptom Assessment Scale.A cross⁃lagged network model was employed to identify dynamic interactions among 18 symptoms over time.

Results

The forward time⁃lagged correlation was sleep difficulty→itching(β=0.33).The backward time⁃lagged correlation was fatigue or lack of energy→sleep difficulty(β=-0.22).Sleep difficulty reported the greatest out⁃predictability(0.265),in⁃predictability(0.233),out⁃strength(1.498),and in⁃strength(1.591).

Conclusions

Sleep difficulty was identified as the core symptom of the dynamic network model of symptom before and after dialysis in patients with end⁃stage renal disease.Strategies to alleviate sleep difficulty should be incorporated into multimodal interventions for end⁃stage kidney disease.

end⁃stage kidney disease  /  hemodialysis  /  symptom network  /  core symptom  /  network analysis
王彩莲, 朱守淋, 黄乐娇, 曾晗月, 彭寅森, 李韵, 毛世芳. 终末期肾病病人透析前后症状动态网络结构及核心症状识别. 护理研究, 2026 , 40 (18) : 3199 -3205 . DOI: 10.12102/j.issn.1009-6493.2026.18.007
Cailian WANG, Shoulin ZHU, Lejiao HUANG, Hanyue ZENG, Yinsen PENG, Yun LI, Shifang MAO. Dynamic symptom network structure and core symptom identification in patients with end⁃stage kidney disease before and after dialysis[J]. Chinese Nursing Research, 2026 , 40 (18) : 3199 -3205 . DOI: 10.12102/j.issn.1009-6493.2026.18.007
血液透析(hemodialysis,HD)是终末期肾病(end⁃stage kidney disease,ESKD)病人维持代谢稳态与生命的常规治疗手段,但在透析初期,病人相关症状常具有性质复杂、数量较多且同时出现、易与合并症共存等特点,导致病人症状负担较重[1]。已有研究表明,高症状负担不仅会严重影响病人生活质量和功能状态,还会影响病人透析治疗依从性,阻碍病人平稳过渡到维持性血液透析状态,进而导致不良生存结局[2]。目前,对临床透析病人的症状管理模式已从单一症状的对症处理发展至针对症状群的管理[3],其在控制症状方面具有一定效果,但仅能揭示症状间的共现模式,难以进一步说明症状间的方向性影响、相互激活途径以及特定症状的驱动作用。同时,在实际症状干预决策时,症状群的研究无法回答“除优先处理危及病人生命的症状以外,干预哪一症状能给病人带来最大整体改善”的问题[4]。对此,朱政等[5⁃6]提出了症状网络,与以往方法相比,症状网络能够提供更细致的结构信息,揭示症状间的相互影响机制以及这种关系随时间变化的相互作用。鉴于目前大多数透析病人的症状网络属于同期网络[7⁃10],无法揭示症状在时间维度上的变化机制,也无法回答某一症状是否会在后续时间点影响其他症状的变化。故本研究引入症状动态网络分析方法[11],从时间维度揭示透析前后病人症状的相互作用结构,旨在识别关键靶点症状,为精准化、多症状联动管理提供依据。
于2024年11月—2025年9月选取四川省某三级甲等医院299例初次行血液透析治疗的病人为研究对象。纳入标准:1)符合《慢性肾脏病早期筛查、诊断及防治指南(2022年版)》[12]中的慢性肾衰竭诊断标准;2)初次行血液透析治疗;3)年龄≥18岁;4)肾小球滤过率<15 mL/(min·1.73 m2)且因糖尿病、高血压、原发性肾脏疾病等进展至慢性肾衰竭;5)知情同意且自愿参与本研究。排除标准:1)已经开始血液透析治疗;2)有精神病史;3)合并严重心脑血管及呼吸系统疾病,如心力衰竭、冠心病、慢性阻塞性肺疾病、脑梗死、脑出血;4)患有急性感染及恶性肿瘤等。脱落标准:1)自愿中途退出研究;2)由于各种原因(如电话拒接等)导致失访;3)随访期间死亡。本研究已通过西南医科大学附属医院伦理委员会审查(审批编号:KY2025261)。本研究将严格遵循知情同意原则、保密原则、不伤害原则和公正原则。
采用成对马尔可夫随机场(PMRF)估计法[13]估计样本量。1)阈值参数(threshold parameters):表示每个节点的阈值或临界值。本研究中,阈值参数为症状个数(本研究采用的量表有30个症状)。2)成对关联参数(pairwise association parameters):表示节点对之间的关联强度或依赖关系,计算公式为N(N-1)/2。3)样本量:至少需要[N(N-1)/2+N]例。为保证网络稳定性,根据《症状网络研究的报告规范》[14]设置阈值,将症状发生率<30%的症状剔除,最终剩余18个症状,故构建网络模型需要估计的阈值参数为18个,成对关联参数为18×(18-1)/2=153,总参数为153+18=171,同时考虑10%的脱落率,得到所需ESKD病人为190例。
网络的稳定性和精确性可以从侧面反映样本量是否合适,节点中心性稳定性是判断样本量的重要指标,通常需要稳定性指标即相关性稳定(CS)系数至少>0.25,一般>0.50说明网络稳定性较好;而边缘权重的精确性无固定数值,通过观察置信区间(CI)决定[13],CI较窄说明网络侧精确性较好[15]。
研究者在阅读相关文献基础上,经过小组讨论自行设计一般资料调查表,内容包括病人性别、年龄、文化程度、婚姻状况、医保类型、原发疾病、肾小球滤过率。
透析症状评估量表由Weisbord等[16]编制,主要用于评估病人1周内心理症状、生理症状严重程度,包括30个条目,其中心理症状5个条目、生理症状25个条目。采用Likert 5级评分法评估症状严重程度,0分表示从未出现,4分表示非常严重,总分0~120分,得分越高表示个体症状越严重。郝艳华[17]对透析症状评估量表进行改编,加入症状发生频率和严重程度2个维度,改编版量表共30个条目,主要从症状有无、发生频率(采用Likert 4级评分法评分,从“极少”到“几乎持续出现”依次计0~3分,总分0~90分)、严重程度(采用Likert 4级评分法评分,从“轻微”到“极重度”依次计0~3分,总分0~90分)和困扰程度(采用Likert 5级评分法评分,从“完全没有”到“很多”依次计0~4分,总分0~120分)4个方面评估病人症状特点,经检验,症状发生频率、严重程度和困扰程度3个维度的Cronbach's α系数依次为0.939,0.948,0.958,改编版透析症状评估量表适合在我国血液透析病人中使用。
收集ESKD病人初次透析前资料作为基线资料,通过面对面方式与ESKD病人沟通,详细向ESKD病人解释研究目的和意义。ESKD病人表示知情同意后通过问卷星平台在研究者指导下填写相关问卷。透析1个月后再次进行调查,对于后续在本院接受血液透析治疗的ESKD病人,在透析室通过问卷星平台发放问卷对ESKD病人进行调查,调查期间研究者在场提供必要解释,确保ESKD病人准确理解调查问题;对于后续不在本院接受血液透析治疗的ESKD病人,研究者通过电话随访方式进行调查,确保数据收集的完整性和准确性。剔除问卷填写时间过短(<2 min)以及有规律作答或逻辑混乱(答案选择相同或相互矛盾)的问卷,最终发放问卷312份,回收有效问卷299份,问卷有效回收率为95.8%。
定性资料以频数及百分比(%)表示。使用交叉滞后网络模型可视化症状间的关系,识别网络结构中随时间动态相互作用的18个症状,1个节点代表1个症状,边表示两个节点间的关系,边的粗细代表两个节点间的效应大小。使用Fruchterman⁃Reingold 算法构建有向动态网络图,以力引导确定节点,在整个网络中与其他节点相关性最强的节点位于网络中心,特征相似节点距离较近[18]。强度中心性值最大的症状是症状网络中具有最大影响力的核心症状,纵向研究的动态网络强度中心性可分为出度中心性(out⁃strength)和入度中心性(in⁃strength),出度中心性代表该节点对其他节点的影响强度,入度中心性代表该节点被其他节点影响的强度[15]。可预测性(predictability)指节点决定性或可控性的绝对程度,可预测性越接近1越可以被网络中其他节点预测或决定,动态网络中的可预测性可分为出可预测性和入可预测性,出可预测性代表该节点对其他节点的预测效果,入可预测性代表其他节点对该节点的预测效果。为评估网络精确性和稳定性[15],使用R软件中的bootnet包对网络模型进行非参数自助法检验(Bootstrap),采用95%CI评估网络边缘精确性,采用CS系数量化中心性指标的稳定性。
299例ESKD病人中,男186例(62%),女113例(38%);18~<45岁45例(15%),45~<60岁84例(28%),60~<75岁120例(40%),75~90岁50例(17%);未婚6例(2%),已婚293例(98%);仅高血压133例(45%),仅糖尿病19例(6%),高血压合并糖尿病100例(33%),原发性肾脏疾病47例(16%);小学及以下183例(61%),初中81例(27%),高中23例(8%),专科8例(3%),本科及以上4例(1%);城乡居民医保245例(82%),职工医保54例(18%)。
ESKD病人发生率≥30%的症状共18个,其发生情况见表1。
ESKD病人透析前后交叉滞后网络模型结果显示,最强的正向时间滞后关联为入睡困难→瘙痒(β=0.33),其次是头晕→口干(β=0.31)和口干→头晕(β=0.31)。最强的负向时间滞后关联为疲乏→入睡困难(β=-0.22),其次是入睡困难→皮肤干燥(β=-0.18)。见图1。肌肉痉挛在生理症状聚类中的桥梁强度最大(r=0.49),忧虑在心理症状聚类中的桥梁强度最大(r=0.76)。18个症状间的边缘权重反映了控制所有其他症状及其自回归效应后,初次透析前某一症状对透析1个月后另一症状独立时间滞后关联的强度与方向,详见表2。
入睡困难报告的出可预测性(0.265)、入可预测性(0.233)、出度中心性(1.498)、入度中心性(1.591)均最大,表明入睡困难为网络模型的核心症状,见表3。
动态网络CS系数为0.515,网络边缘权重CI较窄,表明动态网络的精确性和稳定性较好。见图2、图3。
本研究采用交叉滞后网络分析法识别初次确诊需行血液透析治疗的ESKD病人从初次透析前至透析1个月后症状的纵向关联特征,结果显示,入睡困难中心性值最大,可预测性值最大,该症状既能受到其他症状的影响,也能够影响后续症状。从网络结构看,这类在时间维度上同时具有较高可受影响性与可影响性的节点,通常在症状网络中发挥着关键的交互枢纽作用,对于网络稳定性和症状链的传播具有重要作用。故认为入睡困难是维系整个症状系统动态平衡的关键节点,也是潜在的关键临床干预靶点。
交叉滞后网络在控制基线症状间的共变关系与自回归路径后,滞后路径反映的是各症状对下一时期症状的独立纵向关联关系[19⁃22]。本研究中,初次透析前的入睡困难对透析1个月后的多项症状存在时间滞后关联,正向关联表示初次行血液透析前入睡困难程度越严重,随访时与其相关的症状严重程度得分倾向于表现出更高水平;而负向关联则反映在网络结构下的相对趋势,非临床意义上的症状改善。1)头痛与后续入睡困难呈现正向时间滞后关联,入睡困难与后续易醒、瘙痒等症状呈现正向时间滞后关系。该结果提示上述症状之间存在较为密切的动态交互关系。这可能是由于病人的睡眠障碍未得到重视与较好管理,表现为深睡眠时间减少,夜间觉醒增多,使得病人可能在下一阶段出现睡眠片段化,病人睡眠节律紊乱的自我强化,血液透析初期的入睡困难演变为持续性的睡眠质量下降,导致病人易醒加重。同时,透析本身易发生慢性肾脏病相关瘙痒,而入睡困难又会导致自主神经系统和下丘脑⁃垂体⁃肾上腺轴节律紊乱[23],进而引起夜间皮肤感觉神经敏感性上升[24],加重瘙痒。此外,疼痛与睡眠之间存在双向交互作用,疼痛引起的睡眠不足可能进一步降低疼痛阈值,增加中枢敏化风险,形成疼痛与睡眠障碍相互影响的循环。已有研究表明,睡眠缺失可降低疼痛阈值[25],且睡眠障碍与炎症标志物(如肿瘤坏死因子、白细胞介素⁃6)水平升高及痛觉敏化通路激活相关[26],提示疼痛和睡眠障碍可能通过炎症及神经调节机制相互关联。2)入睡困难与便秘、恶心、头晕、口干、皮肤干燥、紧张、伤心等呈负向时间滞后关联。系数为负数并不意味着临床上的保护作用,而是模型同时考虑了基线症状间固有的共变关系后出现的竞争性预测与抑制效应[27⁃30],当入睡困难作为一个更强的时间驱动因素进入模型后,部分症状的变化更多由透析适应、体液管理或胃肠道功能相关的独立机制主导,而非由睡眠障碍驱动,因此在统计意义上呈现负向关联。
交叉滞后网络还显示,初次透析前的疲乏对透析1个月后的入睡困难负向时间滞后关联最强。透析开始后病人身体代谢逐渐恢复,疲乏下降速度往往快于睡眠问题变化速度[31],此时疲乏严重的病人会表现出较轻的入睡困难。提示在病人开始透析的过渡期,应该重点关注疲乏程度不重却出现明显入睡困难的病人,他们更可能在后续面临持续的睡眠障碍,需要更早地进行睡眠质量评估与干预。对于透析前出现入睡困难的病人,应在早期进行症状管理干预,如睡眠卫生指导、规律作息、情绪调节、放松训练以及药物干预等[32⁃35],在改善入睡困难的同时缓解后期的瘙痒症状、情绪症状等,实现多症状联动改善。
网络中心性和可预测性分析显示,入睡困难受到多种症状影响的同时也是驱动多种症状发生的关键节点,这意味着入睡困难具有触发和放大其他症状的潜在机制效应,将其作为优先干预靶点具有重要的临床价值。1)早期识别并干预入睡困难可能阻断后续症状的发生发展,减少瘙痒、不良情绪等症状的发生;2)对于疲乏不重但入睡困难明显的病人,在透析过渡期更需提前进行睡眠评估与管理;3)系统性地进行睡眠管理,可能实现多症状同步改善的临床效益,提高干预效率,有利于护理人力资源合理配置,并为透析早期病人的症状管理提供参考。
1)由于样本量限制,无法构建亚组网络,限制了网络结构的个体化解释,可能忽略不同人群的特异性核心症状与干预靶点,不利于了解不同群体间的潜在动态变化。2)症状间跨时间的关联关系虽被捕捉,但一些相对稳定的因素(如个体固有的生理特质、长期生活习惯以及相对稳定的心理特质等)可能会对症状间的动态关联产生一定的基础效应,未来可通过多时间点建模或加入随机效应模型进一步加以控制[36⁃37]。3)由于动态网络模型对协变量调整要求较高,对所有潜在混杂因素进行控制难度较大,未来研究可在扩大样本量、增加时间点的基础上采用残差化处理、节点回归中加入协变量或引入随机效应模型等方式更充分地控制混杂因素,从而进一步提高动态网络推断的稳健性[38]。
本研究利用动态网络方法识别血液透析早期病人症状间的关键跨时间影响路径,发现入睡困难在症状网络中占据核心位置,睡眠问题可能是导致其他症状持续加重的重要靶点,研究结果为调整症状管理优先级、强化血液透析病人早期睡眠干预提供了参考,未来研究可进一步扩大样本量,进行多时间点研究,构建更稳健的网络模型。

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doi: 10.12102/j.issn.1009-6493.2026.18.007
  • 接收时间:2025-12-22
  • 首发时间:2026-10-29
  • 出版时间:2026-09-25
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  • 收稿日期:2025-12-22
  • 修回日期:2026-08-10
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    1西南医科大学护理学院,四川 646000
    2四川大学华西第二医院
    3四川大学华西医院
    4西南医科大学附属医院

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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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